The best example of the type of ethical issues a sports manager would face in Major League Baseball from the options provided is use of performance-enhancing drugs.
This issue encompasses a wide range of ethical considerations, including fairness in competition, the health and safety of players, and the integrity of the sport itself. Decisions surrounding drug testing, dealing with allegations of drug use, and the implications of performance-enhancing substances on player contracts and public perception are all significant ethical challenges that sports managers must navigate.